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#ifndef EGLDRIVER_INCLUDED
#define EGLDRIVER_INCLUDED
#include "egltypedefs.h"
#include "eglapi.h"
/**
* Define an inline driver typecast function.
*
* Note that this macro defines a function and should not be ended with a
* semicolon when used.
*/
#define _EGL_DRIVER_TYPECAST(drvtype, egltype, code) \
static INLINE struct drvtype *drvtype(const egltype *obj) \
{ return (struct drvtype *) code; }
/**
* Define the driver typecast functions for _EGLDriver, _EGLDisplay,
* _EGLContext, _EGLSurface, and _EGLConfig.
*
* Note that this macro defines several functions and should not be ended with
* a semicolon when used.
*/
#define _EGL_DRIVER_STANDARD_TYPECASTS(drvname) \
_EGL_DRIVER_TYPECAST(drvname ## _driver, _EGLDriver, obj) \
/* note that this is not a direct cast */ \
_EGL_DRIVER_TYPECAST(drvname ## _display, _EGLDisplay, obj->DriverData) \
_EGL_DRIVER_TYPECAST(drvname ## _context, _EGLContext, obj) \
_EGL_DRIVER_TYPECAST(drvname ## _surface, _EGLSurface, obj) \
_EGL_DRIVER_TYPECAST(drvname ## _config, _EGLConfig, obj)
typedef _EGLDriver *(*_EGLMain_t)(const char *args);
/**
* Base class for device drivers.
*/
struct _egl_driver
{
void *LibHandle; /**< dlopen handle */
const char *Path; /**< path to this driver */
const char *Args; /**< args to load this driver */
const char *Name; /**< name of this driver */
/**
* Probe a display and return a score.
*
* Roughly,
* 50 means the driver supports the display;
* 90 means the driver can accelerate the display;
* 100 means a perfect match.
*/
EGLint (*Probe)(_EGLDriver *drv, _EGLDisplay *dpy);
/**
* Release the driver resource.
*
* It is called before dlclose().
*/
void (*Unload)(_EGLDriver *drv);
_EGLAPI API; /**< EGL API dispatch table */
};
PUBLIC _EGLDriver *
_eglMain(const char *args);
extern _EGLDriver *
_eglMatchDriver(_EGLDisplay *dpy);
extern EGLBoolean
_eglPreloadDrivers(void);
extern void
_eglUnloadDrivers(void);
extern _EGLDriver *
_eglLoadDefaultDriver(EGLDisplay dpy, EGLint *major, EGLint *minor);
PUBLIC void
_eglInitDriverFallbacks(_EGLDriver *drv);
PUBLIC void
_eglSearchPathForEach(EGLBoolean (*callback)(const char *, size_t, void *),
void *callback_data);
PUBLIC void
_eglSetProbeCache(EGLint key, const void *val);
PUBLIC const void *
_eglGetProbeCache(EGLint key);
#endif /* EGLDRIVER_INCLUDED */
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